SCF 260®

SCF 260® is an austenitic, nitrogen-strengthened stainless steel with an excellent combination of strength including rotating fatigue, and corrosion resistance in chloride environments. A special ID treatment applied to hollow bars has been shown to enhance stress-corrosion cracking resistance and the controlled chemistry of this alloy has provided a PREN of higher than 35, yielding superior pitting corrosion resistance. Careful control of chemistry and processing results in fewer grain-boundary carbides and increased strength.

Type Analysis

  • Carbon (Maximum) 0.04
  • Phosphorus (Maximum) 0.05
  • Silicon (Maximum) 1
  • Nickel (Maximum) 3.5
  • Manganese (Maximum) 16.00-19.00
  • Sulfur (Maximum) 0.05
  • Chromium (Nominal) 18.00-21.00
  • Molybdenum (Nominal) 1.50-3.00
  • Iron (Nominal) Balance
  • Nitrogen (Nominal) 0.50-0.80

Applications

down-hole applications in the oil and gas industry including but not limited to drill collars, stabilizers, and MWD/LWD housings.

Applicable Specifications

Bar

Hollow Bar

Multidimensional Bar

Rounds

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